他帮助普及了某些先前不认为是由细菌引起的疾病实际上正是由细菌感染引起的观点，该观点在提出之初引起了很多争论。
He helped popularize the idea that some diseases not previously thought to have a bacterial cause were actually infections, which aroused much controversy when it was first suggested.
麻风是由一种细菌，即麻风分枝杆菌引起的慢性疾病。
Leprosy is a chronic disease caused by a bacterium, Mycobacterium leprae.
破伤风是由破伤风杆菌引起的急性细菌性疾病。
Tetanus is the acute bacterial disease caused by clostridium tetani.
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